Question

Respiration is the breakdown of

• A. C-C bonds
• B. C-H bonds
• C. H-H bonds
• D. C-N bonds

Answer 1

Answer: (A)

Respiration is the breakdown of $C—C$ bonds. In respiration, the breaking of the $C—C$ bond of complex organic molecules through oxidation provides carbon skeleton for the synthesis of a large number of other essential plant products, such as polysaccharide, proteins, fats, nuclei acids, pigments, cytochromes etc